:queue:
:singleton_method: :new: [Queue] :instance_method: :push: [Queue] :<<: [Queue] :enq: [Queue] :clear: [Queue] :pop: [Object] :shift: [Object] :deq: [Object] :empty?: [TrueClass,FalseClass] :length: [Fixnum] :size: [Fixnum] :num_waiting: [Fixnum]